CN101179836B - Method of decoding reinforced uplink physical channel of time-division synchronous code division multiple access system - Google Patents

Method of decoding reinforced uplink physical channel of time-division synchronous code division multiple access system Download PDF

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CN101179836B
CN101179836B CN 200610138605 CN200610138605A CN101179836B CN 101179836 B CN101179836 B CN 101179836B CN 200610138605 CN200610138605 CN 200610138605 CN 200610138605 A CN200610138605 A CN 200610138605A CN 101179836 B CN101179836 B CN 101179836B
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data
channel
resource
scheduled
resources
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CN101179836A (en
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陈慧
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中兴通讯股份有限公司
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Abstract

The invention provides a decoder method of Time Division Synchronous Code Division Multiple Access system enhanced uplink physical channel. The method includes the following steps: when an enhanced uplink transmission interval is coming, a user device determines a transmitted data type and a transmitted resource multiplex way of current transmission interval; then the user device determines a transport block length and a modulation way of a enhanced uplink business data according to a resource multiplex situation and a authorized power; the user device determines a physical layer control channel parameter of current transmission according to the determined business data and resource multiplex way; and then a base station determines a resource count used by the user device according to a multiplex instruct of the physical layer control parameter, and obtains a modulation way and a transmission block length information of the service data by combining with the enhanced transmission format assemble instruct and carries a modulation out and a decoder. Therefore, the invention avoids a cache of a channel data without increase of channel burden, and realizes a synchronous decoder of thechannel and enhances a receiving efficiency of the channel.

Description

时分同步码分多址系统增强上行物理信道的解码方法 TD-SCDMA system the enhanced uplink physical channel decoding method

技术领域 FIELD

[0001] 本发明涉及无线通信技术领域,更具体地,涉及一种时分同步码分多址系统增强 [0001] The present invention relates to a technical field of wireless communications, and more particularly, to a TD-SCDMA system enhancement

上行物理信道的解码方法。 The method of decoding an uplink physical channel. 背景技术 Background technique

[0002] 2006年3月,第三代合作伙伴计划(3rd Generation PartnershipProject,以下简称为3GPP)通过了时分同步码分多址(TD-SCDMA)系统增强上行链路的立项申请。 [0002] In March 2006, the Third Generation Partnership Project (3rd Generation PartnershipProject, hereinafter referred to as 3GPP) Time Division Synchronous Code Division Multiple Access through the (TD-SCDMA) system enhancement project application uplink. 增强上行链路一般被称为高速上行分组接入(High Speed Uplink Packet Access,以下简称为HSUPA),目的在于通过先进的技术来提高上行链路的效率。 Enhanced uplink is generally called HSUPA (High Speed ​​Uplink Packet Access, hereinafter referred to as HSUPA), it aims to improve the efficiency of the uplink through advanced technique.

[0003] HSUPA中新增了一个传输信道,S卩,增强上行链路专用传输信道(E-DCH),增强上行业务数据承载在该传输信道上,E-DCH的传输时间间隔(TTI)为5ms。 [0003] HSUPA added in a transmission channel, S Jie, enhanced uplink dedicated transport channel (E-DCH), the enhanced uplink service data carried on the transmission channel, the transmission time interval of the E-DCH (TTI) of 5ms. 在一个TTI中,由一条E-DCH传输信道组成编码组合传输信道,承载在E-PUCH (E-DCH上行物理信道,也称作增强上行物理信道)上。 In one TTI, an E-DCH transmission by the channel coding consisting of a combination of transport channels carrying the E-PUCH (E-DCH physical uplink channel, also called enhanced physical uplink channel). [0004] HSUPA技术主要有以下特征: [0004] HSUPA technology mainly has the following characteristics:

[0005] (1)基站进行调度:在采用HSUPA技术之前,上行调度功能在服务无线网络控制器(SRNC)中实现,HSUPA技术中将调度功能下放到基站,可以更准确和实时地使用小区的负荷信息,从而更充分地利用上行空口资源。 [0005] (1) the base station performs scheduling: Before using HSUPA technology, the uplink scheduling function is implemented in the serving radio network controller (SRNC), the base station into the HSUPA technology in the scheduling functions can be more accurately and in real time using the cell of load information, so as to more fully utilize the uplink air interface resource. 基于基站调度的业务称为调度业务,用户设备(UE)在传输数据前,先通过E-DCH随机接入上行控制信道(E-RUCCH)发送调度请求,然后,基站根据UE的调度请求和小区的资源状况为UE分配资源,并通过E-DCH绝对授权信道(E-AGCH)将授权的资源(包括码道、时隙、以及功率)发送给UE。 The base station based scheduled traffic services referred to as scheduling, the user equipment (UE) before the transmission data, the first random access uplink control channel (E-RUCCH) transmits the scheduling request by E-DCH, and then, the base station according to the scheduling request from the UE and the cell resource allocation of resources for the UE status, and the absolute grant channel (E-AGCH) will be granted resources (including channel code, time slot and power) to the UE through the E-DCH.

[0006] (2)混合自动重传(HARQ):在采用HSUPA之前,上行数据的重传需要在SRNC的RLC 层进行,HSUPA技术中将重传功能下放到基站,縮短了重传所需的时间。 [0006] (2) hybrid automatic retransmission (HARQ): Before using HSUPA, retransmit uplink data in SRNC needs to be an RLC layer, retransmission at the base station into the HSUPA technology will shorten the required retransmission time. 当基站接收到UE 的E-PUCH信道数据后,基站的物理层进行解码,并将解码信息反馈给上层增强媒体接入控制实体(MAC-e),由MAC-e实体负责产生"确认"(ACK)或"不确认"(NACK)指示,并在E-DCH 混合自动重传请求指示信道(E-HICH)上将指示发送给UE,UE收到ACK后,就会丢弃原先的分组,进行新数据的传输;如果收到的是NACK,则需要等待授权资源再进行重传。 When the base station receives the E-PUCH channel data of the UE, the physical layer of the base station is decoded, the decoded information back to the upper layer enhanced medium access control entity (MAC-e), the MAC-e entity responsible for generating the "acknowledgment" ( ACK) or a "not acknowledge" (NACK) indication, and hybrid automatic repeat request indicator channel (E-HICH) indicating to the UE on the E-DCH, the UE receives the ACK, the original packet will be discarded, for transmission of new data; if you receive a NACK, you need to wait longer authorized resources for retransmission. [0007] 为了适应实时性较强的业务,HSUPA还提供非调度业务,其资源由SRNC为UE分配, 分配方式同现有的专用信道分配方式一样。 [0007] In order to meet strong real-time traffic, HSUPA scheduling service also provides non its resources allocated by the SRNC for the UE, allocated the same manner as a conventional dedicated channel allocation. 一个UE可以同时具有调度业务和非调度业务, 当一个E-DCHTTI到来时,由UE高层自己决定发送调度业务数据或非调度业务数据。 A UE may have both scheduled and non-scheduled traffic services, when a E-DCHTTI arrival, the UE transmits scheduling service level to determine their own data or non-scheduled traffic data. 因此, 当UE既有调度资源,同时又有非调度资源时,就会存在资源的浪费。 Therefore, when both the UE scheduling resources, and also that non-scheduled resources, will be the presence of a waste of resources. TD-SCDMA允许UE整合调度资源和非调度资源,比如当UE在当前TTI中既有调度资源,同时又有非调度资源时, UE可以决定将当前调度和非调度的资源总合用于非调度业务数据的传输或调度业务数据的传输,在下文中,将其简称为"资源复用"。 TD-SCDMA UE is allowed to integrate resource scheduling and non-scheduling resources, such as when the UE scheduling resources both in the current TTI, and also that non-scheduled resources, UE may determine the current scheduled and non-scheduled resources for the sum of non-scheduled services transmission schedule traffic data transmission or data, hereinafter referred to simply as "resource multiplexing."

[0008] 在上行增强数据传输过程中,UE需要向基站传输一些控制信息以帮助基站解码E-PUCH,这些信息承载在一条物理层控制信道-增强上行控制信道(E-UCCH)上,包含的信息如图1所示,其中增强传输格式组合指示(E-TFCI)是一个索引值,指示了UE本次传输的传输块长度和调制方式,它和E-PUCH的资源数有关,基站根据UE使用的资源数从E-TFCI 中翻译得到传输块长度和E-PUCH信道的调制方式;RSN是重传计数器,还隐含HARQ冗余版本信息;HARQ进程ID用于指示处理HARQ重传的进程号,同时还包含本次传输的业务数据类型(调度或非调度)。 [0008] The enhanced uplink data transmission, UE needs to transmit some control information to the base station to help decode the E-PUCH, the information carried in a physical layer control channel - on the enhanced uplink channel (E-UCCH), contains information 1, wherein the enhanced transport format combination indicator (E-TFCI) is an index value indicating a modulation scheme and transport block size for this UE transmissions, and that the number of E-PUCH resources related to the base station according to the UE the number of resources obtained from the translation using E-TFCI transmission block size and the modulation scheme of E-PUCH channel; the RSN is a retransmission counter, also implicitly HARQ redundancy version information; HARQ process ID for indicating the retransmission process HARQ process number, also contains this type of service data transmission (scheduled or unscheduled). 基站使用E-UCCH上的这些信息来对E-PUCH进行物理层解码和HARQ处理。 The base station uses information on the E-UCCH to the physical layer and the HARQ processing for decoding E-PUCH. E-UCCH通过E-PUCH信道来传输,目前E-UCCH的保护级及E-PUCH的帧结构还没有确定,但能确定的是,E-UCCH将通过E-PUCH物理信道指示域传输,并采用固定的、已知的调制和编码方式,因为基站只有在正确解调和解码E-UCCH后,才能对E-PUCH信道业务数据部分进行解调和解码。 E-UCCH be transmitted by E-PUCH channel, the current E-UCCH protection level and the frame structure of E-PUCH has not been determined, but can be determined that, E-UCCH the indication field transmitted through the E-PUCH physical channel, and using a fixed, known modulation and coding scheme, since the base station only after the proper demodulation and decoding E-UCCH, in order for the E-PUCH channel traffic data portion is demodulated and decoded.

[0009] 图2是E-PUCH信道结构的示意图。 [0009] FIG. 2 is a diagram showing a configuration of E-PUCH channel letter. 如图2所示,E-PUCH信道包括:两个业务数据部分;两个物理信道指示域;一个中间码部分;以及一个保护带。 As shown, E-PUCH channel 2 comprises: two traffic data portion; two physical channel indication field; a midamble portion; and a guard band. E-UCCH映射到物理信道指示域中传输。 E-UCCH mapped onto the physical transmission channel indication field.

[0010] 由于在TD-SCDMA HSUPA的解决方案中允许UE进行调度、非调度资源的复用,但并不强制UE进行调度、非调度资源的复用,又由于E-TFCI值和资源数相关(相同的E-TFCI 值在不同的资源数情况下对应的传输块长度和调制方式是不同的),因而在一个TTI中,基站必须对分配给该UE的调度、非调度资源都进行检测,才能确定E-TFCI值的确切含义,然后才能对E-PUCH信道进行解调和解码。 [0010] By allowing the UE in the TD-SCDMA HSUPA scheduling solutions, non-scheduled multiplexed resources, it is not mandatory scheduling UE, non-scheduled multiplexing resources, and because the value of E-TFCI and the number of resources associated (the same E-TFCI value corresponding to the different number of resource transport block size and modulation scheme are different), and therefore in one TTI, the base station must schedule the UE is assigned to non-scheduled resources for testing, to determine the exact meaning of the E-TFCI value, and then can the E-PUCH channel demodulation and decoding. 比如调度资源分配在时隙l中,非调度资源分配在时隙2中,基站并不清楚UE传输的是调度数据,还是非调度数据,也不清楚UE是否进行了资源的复用,因而在一个TTI到来时,基站需要在时隙1中检测该UE是否发送了数据,无论检测到还是检测不到,还需要在时隙2中检测该UE是否发送了数据,等到完成所有的资源检测后,基站才能确定本次E-PUCH使用的调制方式和传输块长度。 For example scheduled resource allocation in a slot l, the non-scheduled resource allocation in time slot 2, the base station does not know the data transmitted by the UE is scheduled or non-scheduled data, it is unclear whether or not the UE multiplexing resources, and thus when the arrival of a TTI, the base station whether the UE needs to transmit data in a time slot is detected, detects whether or not detect, the need to detect whether the UE transmits data in time slot 2, until completion of all resources detected , the base station can determine the current modulation scheme and transport block size used in E-PUCH.

[0011] 因此,在现有技术中,由于允许UE进行调度、非调度资源的复用,基站必须检测完该UE在该TTI的所有资源后,才能得到该TTI E-PUCH信道业务数据部分的调制方式和传输块长度的信息,然后再进行解调和解码。 [0011] Thus, in the prior art, since the UE is allowed to scheduling, non-scheduled resources, multiplexing, the base station must perform the detection of the UE, after all the resources of the TTI, to get the TTI E-PUCH channel traffic data portion modulation scheme and transport block size information, and then demodulated and decoded. 显然,这样就造成了解调前信道数据的缓存和信道处理的时延,从而降低了E-PUCH信道的接收效率。 Obviously, thus causing delay and buffer the demodulated channel processing front channel data, thereby reducing the receiving efficiency E-PUCH channel.

发明内容 SUMMARY

[0012] 因而,为了克服上述问题,本发明提供了一种时分同步码分多址系统增强上行物理信道的解码方法,使得基站可以在第一时间得到E-PUCH信道的调制方式和传输块长度, 从而避免了解调前信道数据的缓存,实现了E-PUCH信道的同步解调,同时由于E-UCCH有剩余的空闲位,所以本发明并不会增加信道负荷。 [0012] Accordingly, to overcome the above problems, the present invention provides a decoding method for the enhanced uplink physical channel in a time division synchronous code division multiple access system, so that the base station can obtain the modulation scheme E-PUCH channel and the transport block length at a first time , thus avoiding the forward channel demodulation data cache, to achieve synchronous demodulation of the E-PUCH channel, and because there is remaining E-UCCH spare bits, the present invention does not increase the channel load.

[0013] 本发明的一个方面提供了一种时分同步码分多址系统增强上行物理信道的解码方法,其包括以下步骤:步骤S301,当一个增强上行传输时间间隔到来时,用户设备确定当前传输时间间隔传输的数据类型及资源复用方式;步骤S302,用户设备根据资源复用情况和授权功率来确定增强上行业务数据的传输块长度和调制方式;步骤S303,用户设备根据所确定的业务数据和资源复用方式确定本次传输的物理层控制信道参数,包括根据所确定的资源复用方式设置复用指示;以及步骤S304,基站根据物理层控制参数中的复用指示来确定用户设备所使用的资源总数,并结合物理层控制信道上的增强传输格式组合指示得到业务数据部分的调制方式和传输块长度信息,然后进行解调和解码。 [0013] One aspect of the invention provides a method of decoding the enhanced uplink physical channel in a time division synchronous code division multiple access system, comprising the steps of: step S301, the enhanced uplink transmission when a time interval is reached, the user equipment determines the current transmission time interval data transmission type and resource multiplexing manner; step S302, the user equipment determines enhance transport block size and a modulation scheme of uplink service data according to the resource reuse circumstances and authorized power; service data step S303, the user equipment according to the determined multiplexing scheme and resource control channel parameter determining this physical layer transmission, multiplexing indication includes a resource according to the determined multiplexing scheme; and step S304, the base station determines that the user equipment physical layer in accordance with the control parameter indicative of multiplexed total resources used, in combination with enhanced transport format combination indicator of the physical layer control channel obtained on the modulation scheme and transport block length information service data section, and then demodulated and decoded. [0014] 根据本发明的数据类型包括调度业务数据和非调度业务数据。 [0014] The service data includes scheduling and non-scheduling service data according to the data type of the present invention. [0015] 根据本发明的时分同步码分多址系统增强上行物理信道的解码方法,在上述步骤S301中,还要进行以下的步骤:如果传输时间间隔有非调度资源或调度资源,则用户设备根据资源类型选择相应的业务数据进行传输;如果既有调度资源又有非调度资源,用户设备根据当前调度和非调度业务数据的Q0S需求选择需要传输的数据类型,并根据数据量情况决定是否复用资源;如果当前传输时间间隔没有非调度资源,且没有授权的调度资源,则用户设备就不会传输数据。 [0015] The TD-SCDMA system according to the present invention is a method of enhancing the decoding of the uplink physical channel, in step S301, but also for the steps of: if a transmission time interval or non-scheduled resources, resource scheduling, the user equipment select the appropriate type of service data transmission according to a resource; if there are both non-scheduled resources, the resource scheduling, the user equipment selects the type of data to be transmitted according to current needs Q0S scheduling and non-scheduling service data, and determine whether the amount of data multiplexed according to circumstances resource; if the current transmission time interval, scheduled resources not non-scheduled resources, and is not authorized, the user equipment does not transmit data.

[0016] 根据本发明的物理层控制信道是增强上行控制信道。 [0016] The physical layer control channel of the present invention is to enhance the uplink control channel.

[0017] 根据本发明的物理层控制参数包括:增强传输格式组合指示,用于指示用户设备本次传输的传输块长度和调制方式;重传计数器,用于对重传进行计数;混合自动重传进程号;以及复用指示,用于由用户设备通知基站本次传输时间间隔是否进行了调度、非调度资源的复用。 [0017] The physical layer control parameters of the invention comprises: enhanced transport format combination indicator for the modulation scheme and transport block size indicating the present transmission of a user equipment; retransmission counter, for counting the retransmission; Hybrid Automatic Repeat Request process number; and a multiplexing multiplexing indication, whether performed by a user equipment notifies the base station scheduled the current TTI, non-scheduled resources.

[0018] 另外,根据本发明的一个方面,在基站接收增强上行控制信道并进行解调和解码后,基站会根据其中的复用指示确定本次传输时间间隔中用户设备使用的资源总和、确定传输时间间隔中增强上行物理信道的业务数据部分的调制方式和传输块长度、以及确定传输时间间隔中用户设备剩余调度资源和非调度资源的处理方式。 After [0018] Further, according to one aspect of the invention, the enhanced uplink channel at the base station receives and demodulates and decodes, based on the base station indicates where multiplexing transmission time interval to determine the sum of this resource by the user equipment, to determine the modulation scheme and transport block transmission time interval length of the enhanced uplink physical channel traffic data portion, and the treatment time of the user equipment determines the transmission resources and the remaining non-scheduled resource scheduling interval.

[0019] 根据本发明的物理层控制信道承载在本次传输时间间隔增强上行数据传输所用资源的第一个时隙上。 [0019] The control channel carries the first time slot in the current transmission time interval used for the enhanced uplink data transmission resource according to the physical layer of the invention.

[0020] 根据本发明的时分同步码分多址系统增强上行物理信道的解码方法。 [0020] The decoding method of a physical channel according to a time division synchronous code division multiple access system according to the present invention, the enhanced uplink.

[0021] 因而,通过使用本发明提供的时分同步码分多址系统增强上行物理信道的解码方 [0021] Thus, TD-SCDMA system provided by the present invention using the enhanced uplink physical channel decoding side

法,可以无需等待资源检测的完成,在一个传输时间间隔的第一个时隙接收完增强上行控 Method, can be detected without waiting for the completion of the resource, a time slot in a first transmission time interval control enhanced uplink receiving end

制信道后就能确定业务信道的调制方法和传输块长度。 It can be determined modulation method and the transmission block length of the traffic channel after the channel system. 因而,在不增加信道负荷的情况下, Thus, without increasing the load of the channel,

就可以避免信道数据的缓存,从而提高了信道的接收效率。 Cache channel data can be avoided, thereby improving the efficiency of the reception channel.

附图说明 BRIEF DESCRIPTION

[0022] 附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。 [0022] The accompanying drawings provide a further understanding of the present invention, and constitute part of this specification, the embodiments of the invention, serve to explain the invention, not to limit the present invention. 在附图中: [0023] 图1是相关技术中增强上行控制信道承载的内容的视图; [0024] 图2是增强上行物理信道(E-PUCH)结构示意图; In the drawings: [0023] FIG. 1 is enhanced contents related art uplink control channel carried by a view; [0024] FIG. 2 is an enhanced uplink physical channel (E-PUCH) structure diagram;

[0025] 图3是根据本发明的时分同步码分多址系统增强上行物理信道的解码方法的流程图; [0025] FIG. 3 is a flowchart of a decoding method for a physical channel according to TD-SCDMA enhanced uplink system of the present invention;

[0026] 图4是根据本发明的实施例的增强上行控制信道承载的内容的视图; [0026] FIG. 4 is a view of the enhanced uplink in accordance with the content of the present invention, embodiments of a control channel of the bearer;

[0027] 图5是根据本发明的实施例的调度、非调度业务数据传输过程的流程图;以及 [0027] FIG. 5 is an embodiment according to the scheduling of the present invention, a flowchart of the process of non-scheduled data transmission service; and

[0028] 图6是图5中步骤S510的详细的传输过程的流程图。 [0028] FIG. 6 is a flowchart showing a detailed procedure of the transmission in step 5 S510 of FIG.

具体实施方式 Detailed ways

[0029] 以下结合附图对本发明的优选实施例进行说明,应当理解,在此所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。 [0029] Hereinafter, the preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, it should be understood that the embodiments described herein is preferably only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0030] 图3是根据本发明的时分同步码分多址系统增强上行物理信道的解码方法流程图。 [0030] FIG. 3 is a decoding method for the enhanced uplink physical channel in accordance with a flowchart of TD-SCDMA system according to the present invention. 如图3所示,时分同步码分多址系统增强上行物理信道的解码方法包括以下步骤:[0031] (1)步骤S301,当一个增强上行传输时间间隔到来时,用户设备确定当前传输时间间隔传输的数据类型及资源复用方式。 3, the TD-SCDMA system the enhanced uplink physical channel decoding method comprises the steps of: [0031] (1) step S301, the transmission when an enhanced uplink time interval is reached, the user equipment determines the current transmission time interval types of data transmission resource multiplexing manner.

[0032] 其中,还包括以下步骤:如果传输时间间隔有非调度资源或调度资源,则用户设备根据资源类型选择相应的业务数据进行传输;如果既有调度资源又有非调度资源,用户设备根据当前调度和非调度业务数据的QOS需求选择需要传输的数据类型,并根据数据量情况决定是否复用资源;如果当前传输时间间隔没有非调度资源,且没有授权的调度资源,则用户设备就不会传输数据。 [0032] wherein, further comprising the step of: if a transmission time interval or non-scheduled resources, resource scheduling, the user equipment selects the appropriate service data transmission according to a resource type; if there are both non-scheduled resources, the resource scheduling, the user equipment according to QOS requirements currently scheduled and non-scheduled traffic data selection data type to be transmitted, and determines whether the amount of data multiplexing resources according to the situation; if the current transmission time interval no non-scheduled resources, and scheduling resources without authorization, the user equipment does not It will transmit data. 数据类型包括调度业务数据类型和非调度业务数据类型[0033] (2)步骤S302,用户设备根据资源复用情况和授权功率来确定增强上行业务数据 Data types include scheduling service and non-scheduling service data type Data type [0033] (2) Step S302, the user equipment determines the enhanced uplink service data according to the reuse of resources and the authorized power situation

的传输块长度和调制方式。 Transport block size and the modulation scheme.

[0034] 其中,在复用资源时,为避免信道处理复杂,协议规定一个时隙只有一条E-PUCH [0034] wherein, when multiplexing resources, to avoid the complex channel processing, a predetermined protocol is only one E-PUCH time slot

信道,为此约定当一个时隙既有调度资源又有非调度资源时,取扩频因子较小的码道,舍弃 Channel, a time slot for this convention when scheduling resources have both non-scheduled resources, taking the smaller spreading factor code channel, give

扩频因子较大的码道,同时将两资源的功率总合作为该时隙所选码道的发送功率。 Larger spreading factor code channel, while the total power resources for the cooperation between the two code channel transmission power of the selected timeslot. 3GPP组 3GPP group

织已经对由资源和授权功率推导传输块长度和调制方式的过程进行了标准化。 Weaving process by the resources already authorized power and a transport block length and to derive a standardized modulation scheme.

[0035] (3)步骤S303,用户设备根据所确定的业务数据和资源复用方式确定本次传输的 [0035] (3) Step S303, the user device determines the current transmission resources according to the service data and the determined multiplexing scheme

物理层控制参数,并将这些控制参数承载在物理层控制信道上。 Physical layer control parameters, these control parameters and carries the physical layer control channel.

[0036] 其中,物理层控制参数包括:增强传输格式组合指示,用于指示用户设备本次传输数据的传输块长度和调制方式;重传计数器,用于对重传进行计数;混合自动重传进程号; 以及复用指示,用于由用户设备通知基站本次传输时间间隔是否进行了调度、非调度资源的复用。 [0036] wherein the physical layer control parameters comprises: enhanced transport format combination indicator for the modulation scheme and transport block size indicating a user equipment of this transmission data; retransmission counter, for counting the retransmission; hybrid automatic retransmission process number; and a multiplexing multiplexing indication, whether performed by a user equipment notifies the base station scheduled the current TTI, non-scheduled resources.

[0037] 在本发明中的物理层控制信道是增强上行控制信道,并且物理层控制信道承载在本次传输时间间隔中增强上行数据传输所用资源的第一个时隙上。 [0037] The physical layer control channel in the present invention is to enhance the uplink control channel, and a physical layer control channel time slot on the first carrier enhanced uplink resources used for data transmission at the current transmission time interval.

[0038] (4)步骤S304,基站根据物理层控制参数中的复用指示来确定用户设备所使用的资源总数,并结合物理层控制信道上的增强传输格式组合指示得到业务数据部分的调制方式和传输块长度信息,然后进行解调和解码。 [0038] (4) step S304, the base station determines the total number of resources used by the user equipment according to the physical layer control parameter multiplexing indication, combined with the enhanced transport format combination indication channel physical layer modulation scheme to obtain the traffic data portion and a transmission block length information, and then demodulated and decoded.

[0039] 其中,基站首先检测终端设备在该传输时间间隔中第一个时隙的信道,如果检测不到,说明本TTI并没有进行资源复用,可以直接检测另一种资源所在的信道。 [0039] wherein the base station is first detected at the terminal device the first transmission time interval of a time slot channel, if not detected, and no description of the TTI multiplexing resources, the channel can be directly detected another resource is located. 比如该终端用户的调度资源分配在第1、2个时隙,非调度资源在第3个时隙,如果基站在第l个时隙没有检测到该终端用户的信道,说明本次终端只使用了非调度资源,基站可以直接检测第3 个时隙中该用户的信道。 For example the end user scheduled resource allocation in the first and second slots, the non-scheduled resources in the third slot, the base station if the l-th channel slot is not detected the end user, this description uses only the terminal the non-scheduled resources, the base station may directly detect the third time slot the user channels. 如果基站在第1个时隙检测到该用户的信道,则首先对其中的增强上行控制信道进行解调和解码,得到物理层的4个控制参数,根据其中的复用指示确定本次传输时间间隔中用户设备使用的资源总和,并根据资源总和对增强传输格式组合指示值进行解析,得到本次传输时间间隔中增强上行物理信道业务数据部分的调制方式和传输块长度,对业务数据进行解调和解码,同时也可以确定该传输时间间隔中剩余调度资源和非调度资源的处理方式,包括:是否继续接收;如果继续接收,可以实现边接收边解调。 If the first slot at the base station detects the user channel, the first channel of the enhanced uplink in which the demodulating and decoding, to obtain four control parameters of the physical layer, this is determined according to the transmission time indicated multiplexing wherein the sum of the resources the user equipment intervals, and the sum resources enhanced transport format combination indicator value resolution to obtain the current transmission time interval enhanced modulation scheme and transport block length of an uplink physical channel traffic data portion, the traffic data de Harmonic decode, but it can also determine the scheduling transmission time remaining resources and processing resources by way of non scheduled intervals, comprising: receiving whether to continue; if it continues to receive the reception side demodulating side can be realized. [0040] 图4是根据本发明的实施例的增强上行控制信道承载的内容的视图。 [0040] FIG. 4 is a view of the enhanced uplink in accordance with the content of the present invention, embodiments of a control channel of the bearer. 如图4所示, 在增强上行控制信道E-UCCH中增加一个1比特的复用指示。 As shown, an additional 1-bit multiplexing the enhanced uplink control channel indicating the E-UCCH 4. 如果UE没有进行调度、非调度资源的复用,那么它将使用所传业务数据本身授权的资源进行传输,E-UCCH将承载在资源的第一个时隙上(即序号最低的时隙);如果UE进行了调度、非调度资源的复用,E-UCCH 将承载在所用资源中的第一个时隙上。 If the UE is not scheduled, non-scheduled multiplexing resources, then it will use the traffic transmission resource data itself authorized for transmission, E-UCCH carried on the first time slot resource (i.e. the lowest slot number) ; if scheduling the UE, non-scheduled multiplexed resources, E-UCCH the carrier in the first time slot of the resource. 其中,E-UCCH总是承载在本TTI增强上行数据传输所用资源的第一个时隙上。 Wherein, E-UCCH always carried on the first time slot of the present TTI enhanced uplink resources used for data transmission.

[0041] 图5是根据本发明的实施例的调度、非调度业务数据传输过程的流程图。 [0041] FIG. 5 is an embodiment according to the scheduling of the present invention, a flowchart of data transmission non-scheduled traffic. 图6是图5中步骤S510的详细的传输过程的流程图。 6 is a flowchart showing a detailed procedure of the transmission in step 5 S510 of FIG.

[0042] 以下将结合图6详细描述图5。 [0042] The following will be described in detail in conjunction with FIG. 6 FIG. 根据本实施例,UE在该TTI同时有调度和非调度资源,调度资源位于时隙2(TS2)中、非调度资源位于时隙1(TS1)中,UE确定传输调度业务数据,并复用非调度资源。 According to the present embodiment, while the UE in the TTI scheduled and non-scheduled resources, the resource scheduler located slot 2 (TS2), the non-scheduled resource is located (TSl) in slot 1, UE determines transmission schedule service data, multiplexes and non-scheduled resources.

[0043] 首先,UE与SRNC建立了无线资源控制(RRC)连接,其中UE的连接原因是发起分组业务。 [0043] First, UE and SRNC to establish a Radio Resource Control (RRC) connection, which connect the reasons UE is to initiate packet services.

[0044] 在步骤S502中,SRNC经过接纳控制过程,认为可以为该UE建立增强上行链路, SRNC将该UE的上行信令也承载在增强上行链路上,因而准备为其同时建立非调度和调度类型的E-DCH信道。 [0044] In step S502, the admission control process after the SRNC, the UE may establish that for the enhanced uplink, the uplink signaling SRNC of the UE is also carried on the enhanced uplink, while building is thus ready for non-scheduled and scheduling of E-DCH type of channel.

[0045] 在步骤504中,SRNC通过基站应用协议(NBAP)向基站发起无线链路建立过程,其中含非调度业务的资源分配信息及调度业务的传输信道相关的参数。 [0045] In step 504, the SRNC via the base station initiates application protocol (the NBAP) radio link establishment procedure to the base station, wherein the resource allocation and scheduling service information transmission channel including a non-scheduled traffic related parameters. 如果之前已为该UE 建立过无线链路,那么将通过无线链路重配置过程进行增强上行链路参数的配置。 If a radio link has been established for the UE before too, then the enhanced uplink parameters configured by the radio link reconfiguration procedure. [0046] 在步骤S506中,基站接收配置参数,并从该小区的增强上行公共资源池中为该UE 分配调度业务使用的E-AGCH信道和E-HICH信道,这些配置参数通过NBAP的无线链路建立响应或无线链路重配置响应返回给SRNC。 [0046] In step S506, the base station receives configuration parameters, and an uplink common resource pool from the enhancement of the cell for the E-AGCH channel and the E-HICH channel allocated to the UE scheduling service use, these configuration parameters over a wireless link for NBAP path setup response or radio link reconfiguration response back to the SRNC.

[0047] 在步骤S508中,SRNC通过RRC协议向UE发起无线承载建立命令,其中有调度类型的E-DCH配置参数和非调度类型的配置参数;如果之前已经有过无线承载建立过程,那么将通过无线承载重配置过程进行增强上行接入相关的配置。 [0047] In step S508, SRNC initiates the RRC protocol to the UE radio bearer setup command, wherein the scheduling type of E-DCH configuration parameters and non-scheduled type of configuration parameters; If there were radio before bearer setup procedure, then enhanced by radio bearer reconfiguration procedure related to uplink access configuration. UE接收配置参数,并向网络侧回复响应消息;根据配置参数确定E-DCH传输业务开始可用。 The UE receives configuration parameters, in response to the reply message from the network side; determined E-DCH transmission service is available according to the configuration parameters begins. 对于调度业务,当对应的逻辑信道缓冲区中数据量由0变为非0时,UE发起E-RUCCH随机接入过程,请求基站分配资源,收到基站的授权资源后,才能发送数据;对于非调度业务,UE在SRNC分配的非调度资源的激活时间到来后才能发送非调度业务数据。 For the scheduling service, when the logical channel corresponding to the amount of data in the buffer from 0 to non-0, the UE initiates E-RUCCH random access procedure, the base station requesting allocation of resources, the base station receives the granted resources to transmission data; for non-scheduled operations, UE can send data in non-scheduled service time after activation of the non-scheduled resource allocation SRNC soon.

[0048] 在步骤S510中,在一个TTI到来时,UE需要决定当前TTI传输的数据类型及资源复用情况。 [0048] In step S510, upon the arrival of a TTI, the UE need to determine the data type and the current resource multiplexing TTI transmission case.

[0049] 在步骤S512中,UE根据步骤S510的选择结果,确定本次传输的物理层控制参数, 包括:从是否复用资源来确定复用指示值;从复用的资源和授权的功率确定传输块长度和调制方式,从而确定E-TFCI值;从选择的业务数据确定HARQ进程ID ;传输新数据或重传分组来确定RSN值。 [0049] In step S512, UE according to the selection result in step S510, it is determined the physical layer of this transmission control parameters, comprising: if the multiplexing resources to the multiplexing instruction value from; determining the resources and the authorized power multiplexing transport block size and modulation scheme, to determine the value of E-TFCI; HARQ process ID is determined from the selected data traffic; transmit new data or the retransmission packet determined RSN value. 接着,将这些控制参数填入E-UCCH信道。 Next, these control parameters to fill in the E-UCCH channel.

[0050] 在步骤S514中,UE发送业务数据,并在所使用资源的第一个时隙的授权E-PUCH码道上承载E-UCCH。 [0050] In step S514, UE sending the service data, and carries E-UCCH authorization code channel E-PUCH time slot used by the first resources.

[0051] 在步骤S516中,基站检测该TTI中该UE调度和非调度资源对应的最低序号时隙中的E-PUCH信道,在该实施例中为时隙1,如果检测到该UE有数据发送,基站对该时隙中的E-PUCH信道上的E-UCCH进行解调和解码,根据其中的复用指示确定UE实际使用的资源数(在该实施例中UE进行了资源复用,使用了TS1和TS2中的调度和非调度资源)。 [0051] In step S516, the base station detects E-PUCH channel that the UE a TTI of the scheduling and non-scheduling resources corresponding to the minimum number of time slots, in this embodiment, the time slot 1, the UE if data is detected transmission, the base station demodulates and decodes the E-PUCH channel slot E-UCCH, according to which multiplexing resources the UE is determined indicators actually used (in this embodiment, the UE performs resource reuse, use the TS1 and TS2 in scheduled and non-scheduled resources). 基站根据复用的资源数对E-TFCI进行翻译,得到本TTI UE使用的传输块长度和调制方式。 Translation of the base station according to the number of E-TFCI resource reuse obtain transport block length and modulation scheme used in the present TTI UE. 基站对TS1中的E-PUCH信道进行解调并开始接收TS2中的数据,对TS2中的数据进行解调。 The base station TS1 E-PUCH channel and begins demodulating the received data TS2, TS2 in the data demodulated. [0052] 其中,如图5所示的步骤S510还包括如图6所示的以下步骤,其中,按照优先传输非调度数据的原则选择传输数据,步骤有: [0052] wherein, in the step shown in FIG. 5 S510 further comprising the step shown in Figure 6, wherein the transmission data selected according to the principle of priority of transmission of non-scheduled data, the steps of:

[0053] 步骤S602,如果当前TTI有非调度资源,且有非调度业务数据需要传输,UE将优先传输非调度数据,如果此时UE有授权的调度资源,UE会根据非调度业务数据量考虑复用调度资源,即将调度资源也用于非调度数据的传输; [0053] step S602, if the current TTI non-scheduled resources, and non-scheduled traffic data to be transmitted, the UE non-scheduled data is transmitted in priority, if at this time the UE has authorized resource scheduling, UE based on consideration of the non-scheduled traffic data multiplexing resource scheduling, i.e. scheduling resources for non-scheduled data transmission;

[0054] 步骤S604,如果当前TTI有非调度资源,但没有非调度业务数据需要传输,UE将检查是否有授权的调度资源,如果有授权的调度资源且有调度数据需要传输,UE将传输调度数据,并会根据数据量情况考虑复用非调度资源; [0054] step S604, the if the current TTI non-scheduled resources, but no non-scheduled traffic data to be transmitted, the UE checks for authorization of scheduling resources, if an authorized scheduling resources and the scheduling of data to be transmitted, the UE transmits scheduling data, and to consider the non-scheduled multiplexed data amount of resources according to the situation;

[0055] 步骤S606,如果当前TTI没有非调度资源,UE将检查是否有授权的调度资源,如果有授权的调度资源且有调度数据需要传输,UE将传输调度数据;以及 [0055] step S606, the current TTI, if there is no non-scheduled resources, the UE checks whether the authorized resource scheduling, if authorized resource scheduling and the scheduling of data to be transmitted, the UE transmits scheduling data;

[0056] 步骤S608,如果当前TTI没有非调度资源、也没有授权的调度资源,UE将不传输业务数据。 [0056] step S608, if the current TTI is not a non-scheduled resources, scheduling resources without authorization, the UE will not transmit traffic data.

[0057] 通过以上本发明的描述,可以看到本发明实现以下有益效果,即无需等待资源检测的完成,基站就可以在第一时间同时得到业务信道的调制方式和传输块长度,并进行解调和解码。 [0057] The above description of the present invention, can be seen that the present invention achieves the following advantageous effects, i.e., without waiting for the completion of the detection resources, the base station can simultaneously obtain the modulation scheme and transport block length of the traffic channel at a first time, and de reconcile decoding. 在不增加信道负荷的情况下,避免了信道数据的缓存,实现了信道的同步解调, 从而提高了信道的接收效率。 In the channel without increasing the load, avoiding the channel data buffer, to achieve synchronous demodulation of the channel, thereby improving the efficiency of receiving channels.

[0058] 以上仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。 [0058] The above is merely illustrate the preferred embodiments of the present invention, not intended to limit the present invention, those skilled in the art, the present invention may have various changes and variations. 凡在本发明的精神和原则之内,所作的任何修改、 等同替换、改进等,均应包含在本发明的保护范围之内。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention.

Claims (6)

  1. 一种时分同步码分多址系统增强上行物理信道的解码方法,其特征在于,包括以下步骤:步骤S301,当一个增强上行传输时间间隔到来时,用户设备确定当前传输时间间隔传输的数据类型及资源复用方式;步骤S302,所述用户设备根据所述资源复用方式和授权功率来确定增强上行业务数据的传输块长度和调制方式;步骤S303,所述用户设备根据所确定的所述业务数据和所述资源复用方式确定本次传输的物理层控制信道参数,包括根据所确定的资源复用方式设置复用指示,其中,所述物理层控制信道承载在本次传输时间间隔增强上行数据传输所用资源的第一个时隙上,所述复用指示,用于由用户设备通知基站本次传输时间间隔是否进行了调度、非调度资源的复用;以及步骤S304,基站根据所述物理层控制参数中的所述复用指示来确定用户设备所使用的资源 A time division synchronous code division multiple access system method of decoding the enhanced uplink physical channel, characterized by, comprising the following steps: step S301, the transmission when an enhanced uplink time interval is reached, the user equipment determines the data type of the current transmission time interval and transmission resource multiplexing manner; step S302, the device determines the user according to the resource multiplexing mode and enhance transmission block length authorized power and the modulation scheme of uplink service data; the determining step S303, the user of the apparatus according to the service determining a physical layer control channel parameter for this data transmission and the resource multiplexing mode, including multiplexing indication is provided according to a resource of the determined multiplexing mode, wherein, the physical layer control channel is carried in this enhanced uplink transmission time interval a data transmission time slot on the first resource, the multiplexing instruction for a scheduled user whether the base station apparatus notifies the current TTI, non-scheduled by the multiplexing resources; and a step S304, the station according to the the physical layer multiplexing control parameters indicating the user equipment to determine the resource used by 总数,并结合物理层控制信道上的增强传输格式组合指示得到业务数据部分的调制方式和传输块长度信息,然后进行解调和解码。 Total, combined with enhanced transport format combination indicator of the physical layer control channel obtained on the modulation scheme and transport block length information service data section, and then demodulated and decoded.
  2. 2. 根据权利要求1所述的时分同步码分多址系统增强上行物理信道的解码方法,其特征在于,所述数据类型包括调度业务数据类型和非调度业务数据类型。 The TD-SCDMA system according to claim 1 enhancement decoding method for uplink physical channel, wherein the data type comprises scheduling service type data and non-scheduled traffic data type.
  3. 3. 根据权利要求1所述的时分同步码分多址系统增强上行物理信道的解码方法,其特征在于,步骤S301还包括以下步骤:如果所述传输时间间隔有所述非调度资源或所述调度资源,则所述用户设备根据所述资源类型选择相应的业务数据进行传输:如果既有所述调度资源又有所述非调度资源,那么所述用户设备根据当前调度和非调度业务数据的QOS需求选择需要传输的数据类型并根据数据量情况决定是否复用资源;以及如果当前传输时间间隔没有所述非调度资源,且没有授权的调度资源,则所述用户设备就不会传输所述数据。 The TD-SCDMA system according to claim 1 enhancement decoding method for uplink physical channel, wherein, the step S301 further includes the step of: if said transmission time intervals of the resource or the non-scheduled resource scheduling, the user equipment selects the corresponding service data transmission according to the resource type: if there are both the resource scheduling of the non-scheduled resources, the data of the user equipment according to the current scheduled and non-scheduled traffic QOS needs to choose the type of data to be transmitted according to the data amount of the case and decide whether the multiplexing resources; and if the current transmission time interval is not the non-scheduled resource, and scheduling resources without authorization, then the user equipment will not transmit the data.
  4. 4. 根据权利要求1所述的时分同步码分多址系统增强上行物理信道的解码方法,其特征在于,所述物理层控制信道是增强上行控制信道。 The TD-SCDMA system according to claim 1 enhancement decoding method for uplink physical channel, wherein the physical layer control channel is an enhanced uplink control channel.
  5. 5. 根据权利要求1所述的时分同步码分多址系统增强上行物理信道的解码方法,其特征在于,所述物理层控制参数包括:所述增强传输格式组合指示,用于指示所述用户设备本次传输的传输块长度和调制方式;重传计数器,用于对重传进行计数;混合自动重传进程号;以及所述复用指示。 The TD-SCDMA system according to claim 1 enhancement decoding method for uplink physical channel, wherein the control parameters include the physical layer: the enhanced transport format combination indicator for indicating the user the transport device transport block size and modulation mode; retransmission counter, for counting the retransmission; hybrid automatic repeat request process number; and the multiplexing indication.
  6. 6. 根据权利要求4所述的时分同步码分多址系统增强上行物理信道的解码方法,其特征在于,还包括:所述基站接收所述增强上行控制信道并进行解调和解码后,根据其中的所述复用指示确定本次传输时间间隔中所述用户设备使用的资源总和、确定所述传输时间间隔中所述增强上行物理信道的业务数据部分的调制方式和传输块长度、以及确定所述传输时间间隔中所述用户设备剩余调度资源和非调度资源的处理方式c 6. Time Division Synchronous Code Division Multiple Access system according to claim 4, wherein the turbo decoding method an uplink physical channel, characterized by, further comprising: after the base station receives the control channel and the enhanced uplink demodulated and decoded in accordance with wherein said multiplexing indication of the current transmission time interval to determine the sum of the resources used by the user equipment, the transmission time interval to determine the modulation scheme enhanced service data portion of the uplink physical channel and the transmission block length, and determining the transmission time interval resources scheduling user equipment and the remaining non-scheduled resource in the processing mode c
CN 200610138605 2006-11-08 2006-11-08 Method of decoding reinforced uplink physical channel of time-division synchronous code division multiple access system CN101179836B (en)

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